$\begingroup$I am not entirely sure merging these two tags is appropriate as, in principle, the tag 'complex-analysis' is supposed to be more specific than the tag 'cv.complex-variables'. In practice, though, the tag 'complex-analysis' may provide little extra information.$\endgroup$
– Ricardo AndradeFeb 12 '15 at 19:23

1

$\begingroup$This was already proposed more than a year ago meta.mathoverflow.net/a/1087 by Andres Caicedo. One might entertain a similar idea for real-analysis as commented there. That being said this extra visibility might be a good thing.$\endgroup$
– user9072Feb 13 '15 at 13:36

I think they should be merged, as choosing one tag instead of the other seems to convey little information.
I think we should also add the expression "complex analysis" in the tag wiki excerpt of cv.complex-variables for clarity so that it would read: